US PATENT SUBCLASS 381 / FOR 125
.~ Speaker arrangement (381/24)

Current as of: June, 1999
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381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

*  DD  BINAURAL AND STEREOPHONIC {1}
FOR 125.~ Speaker arrangement (381/24) {1}
FOR 126  DF  .~.~> Earphone (381/25)

DEFINITION

Classification: 381/FOR.125

Speaker arrangement:

Subject matter including transducers for reproducing the sound signals, and the spatial relationship of the transducers to their surroundings.